1. The Structure of Wages and Investment in General Training;Daron Acemoglu;Journal of Political Economy,1999
2. The Full-Time Advantage;Ronald Alsop;The Wall Street Journal,2005
3. The Economic Returns to an MBA;Peter Arcidiacono;International Economic Review,2008
4. Why Do Temporary Help Firms Provide Free General Skills Training?;David H Autor;The Quarterly Journal of Economics,2001